title: Activities in maritime medicine in countries of Central and Eastern Europe: symposia on maritime medicine, 1963-1989.
mesh_terms: D003226:Congresses as Topic; D005060:Europe / Q000453:epidemiology; D006801:Humans; D009326:Naval Medicine / Q000458:organization & administration; D009784:Occupational Diseases / Q000517:prevention & control*; D009786:Occupational Health Services / Q000458:organization & administration